Rishu contributed to the continuousactivelearning/vibe repository by delivering a targeted backend fix that improved the accuracy of engagement metrics for videos and blogs. Using TypeScript and leveraging API development skills, Rishu refined the isValidWatchTime logic to enforce minimum viewing requirements, introducing robust start and end time checks and latency-aware duration calculations. This adjustment addressed edge cases related to server response times, ensuring that watch-time analytics remained reliable for downstream product and growth decisions. The work was carefully isolated within the repository to minimize risk, demonstrating a focused approach to backend development and a strong understanding of analytics pipeline integrity.